diff options
Diffstat (limited to 'sys/kern/sched_ule.c')
| -rw-r--r-- | sys/kern/sched_ule.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c index 6340b71..ac2b0c6 100644 --- a/sys/kern/sched_ule.c +++ b/sys/kern/sched_ule.c @@ -1139,7 +1139,7 @@ sched_switch(struct thread *td, struct thread *newtd) td->td_last_kse = ke; td->td_lastcpu = td->td_oncpu; td->td_oncpu = NOCPU; - td->td_flags &= ~TDF_NEEDRESCHED; + td->td_flags &= ~(TDF_NEEDRESCHED | TDF_OWEPREEMPT); /* * If the KSE has been assigned it may be in the process of switching @@ -1623,6 +1623,15 @@ sched_add(struct thread *td) if (td->td_priority < curthread->td_priority) curthread->td_flags |= TDF_NEEDRESCHED; +#ifdef SMP + /* + * Only try to preempt if the thread is unpinned or pinned to the + * current CPU. + */ + if (KSE_CAN_MIGRATE(ke) || ke->ke_cpu == PCPU_GET(cpuid)) +#endif + if (maybe_preempt(td)) + return; ke->ke_ksegrp->kg_runq_kses++; ke->ke_state = KES_ONRUNQ; |
